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Electromagnetic Field Theory

Electromagnetic Field Theory
An infinite sheet has a charge density of 150 μ C/m. The flux density in μ C/m 2 is

 75.
 1/75.
 50.
 100.

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Electromagnetic Field Theory
Conductor is static and the field is varying then emf will be induced. This principle is called

 static induced emf.
 none of these
 dynamically induced emf.
 virtually induced emf.

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Electromagnetic Field Theory
The Biot-savarts law is a general modification of

 Amperes law.
 Kirchhoffs law.
 Faradays law.
 Lenzs law.

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Electromagnetic Field Theory
The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by

 ω / π.
 ω/2π.
 ω/4π.
 ω.

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Electromagnetic Field Theory
Radiation intensity in a given direction is the

Power radiated per square metre
Energy radiated per square metre
Power radiated per unit solid angle in that direction
None of these

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Electromagnetic Field Theory
A magnetic field B = 5 × 10-2 uz T exerts a force on 0.02 m conductor along the x-axis. The conductor carried a current of 5 mA in the – ux direction. What force must be applied to the conductor to hold it in position

 5 × 10-5 uz N.
  - 5 × 10-5 uy N.
 5 × 10-5 uy N.
 5 × 10-5 ux N.

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